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目的了解室内甲醛污染现状,为修订《居室空气中甲醛的卫生标准》提供依据。方法收集全省9个市2004-2008年不同场所室内甲醛监测数据,并选择不同类型居室进行甲醛浓度的现场监测。结果2004-2008年居室内甲醛浓度总均值0.139 mg/m3。现场室内甲醛浓度监测结果为城市办公室均值为0.062 mg/m3,城市居民住宅卧室与厨房均值分别为0.029、0.028 mg/m3;城镇居民住宅卧室与厨房均值分别为0.034、0.036mg/m3。居室装修1年以内的甲醛浓度明显高于1年以上(P<0.01)。结论装修是造成居室内甲醛浓度增高的主要原因。
Objective To understand the status of indoor formaldehyde pollution and to provide the basis for the revision of “Hygienic standard of formaldehyde in room air”. Methods The indoor formaldehyde monitoring data of different places in nine cities of the province from 2004 to 2008 were collected, and different types of rooms were selected to monitor the formaldehyde concentration in the field. Results The total indoor formaldehyde concentration in 2004-2008 was 0.139 mg / m3. The indoor formaldehyde concentration monitoring results showed that the average value of city office was 0.062 mg / m3, the average value of urban residential bedrooms and kitchens were 0.029 and 0.028 mg / m3, respectively. The mean values of urban residential bedrooms and kitchens were 0.034 and 0.036 mg / m3, respectively. The concentration of formaldehyde in room decoration within one year was obviously higher than that of one year (P <0.01). Conclusion Decoration is the main reason for the increase of indoor formaldehyde concentration.